<?php
/**
 * Smarty Internal Plugin Compile Append
 *
 * Compiles the {append} tag
 *
 * @package    Smarty
 * @subpackage Compiler
 * @author     Uwe Tews
 */

/**
 * Smarty Internal Plugin Compile Append Class
 *
 * @package    Smarty
 * @subpackage Compiler
 */
class Smarty_Internal_Compile_Append extends Smarty_Internal_Compile_Assign {

	/**
	 * Compiles code for the {append} tag
	 *
	 * @param array  $args      array with attributes from parser
	 * @param object $compiler  compiler object
	 * @param array  $parameter array with compilation parameter
	 *
	 * @return string compiled code
	 */
	public function compile($args, $compiler, $parameter) {
		// the following must be assigned at runtime because it will be overwritten in parent class
		$this->required_attributes = array('var', 'value');
		$this->shorttag_order = array('var', 'value');
		$this->optional_attributes = array('scope', 'index');
		// check and get attributes
		$_attr = $this->getAttributes($compiler, $args);
		// map to compile assign attributes
		if (isset($_attr['index']))
		{
			$_params['smarty_internal_index'] = '[' . $_attr['index'] . ']';
			unset($_attr['index']);
		}
		else
		{
			$_params['smarty_internal_index'] = '[]';
		}
		$_new_attr = array();
		foreach ($_attr as $key => $value)
		{
			$_new_attr[] = array($key => $value);
		}

		// call compile assign
		return parent::compile($_new_attr, $compiler, $_params);
	}

}

?>
